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Applied Optics

Applied Optics


  • Vol. 43, Iss. 12 — Apr. 20, 2004
  • pp: 2393–2396

Temperature sensor based on the power reflected by a Bragg grating in a tapered fiber

David Monzón-Hernández, José Mora, Pere Pérez-Millán, Antonio Díez, José Luis Cruz, and Miguel V. Andrés  »View Author Affiliations

Applied Optics, Vol. 43, Issue 12, pp. 2393-2396 (2004)

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We present a temperature sensor based on two chirped gratings made in optical fibers tapered by fusion. One of the gratings has a metallic shielding and acts as sensor element, whereas the second grating provides a reference signal. The sensor is interrogated by measuring the power reflected by the two gratings, and the system has an accuracy of 0.05 °C over a linear operation range of more than 10 °C that can be adjusted in the fabrication process.

© 2004 Optical Society of America

OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology

Original Manuscript: October 15, 2003
Revised Manuscript: January 28, 2004
Published: April 20, 2004

David Monzón-Hernández, José Mora, Pere Pérez-Millán, Antonio Díez, José Luis Cruz, and Miguel V. Andrés, "Temperature sensor based on the power reflected by a Bragg grating in a tapered fiber," Appl. Opt. 43, 2393-2396 (2004)

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